Auswahl der wissenschaftlichen Literatur zum Thema „Off-shore structures“

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Zeitschriftenartikel zum Thema "Off-shore structures"

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Mortada, Mohamed, Mohamed Ahmed, Mohamed Morad, and Ahmed Alkaisy. "Sediment Transport Fields Around Off-Shore and On-Shore Structures." Fayoum University Journal of Engineering 4, no. 2 (June 1, 2021): 139–56. http://dx.doi.org/10.21608/fuje.2021.205539.

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Hanzawa, Minoru, Akira Matsumoto, and Hitoshi Tanaka. "STABILITY OF WAVE-DISSIPATING CONCRETE BLOCKS OF DETACHED BREAKWATERS AGAINST TSUNAMI." Coastal Engineering Proceedings 1, no. 33 (October 15, 2012): 24. http://dx.doi.org/10.9753/icce.v33.structures.24.

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In recent years, the risk of occurrence of tsunamis generated by near shore earthquakes, such as, Tokai, Tonankai, Nankai and off-Miyagi is considered to be higher than before, as well as off shore tsunamis traveling long distances, e.g., the 2010 Chilean tsunami. On March, 11th, 2011 the huge, devastating tsunami generated by The 2011 off the Pacific coast of Tohoku Earthquake attacked and damaged the east coast area of Japan. Tsunami forces onto vertical walls, such as seawalls, has already been studied in detail, e.g., Asakura et al.(2002) and Kato et al.(2006). In Japan, detached breakwate
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Salvadori, Gianfausto, Giuseppe Roberto Tomasicchio, and Felice D'Alessandro. "Multivariate approach to design coastal and off-shore structures." Journal of Coastal Research 65 (January 2, 2013): 386–91. http://dx.doi.org/10.2112/si65-066.1.

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Ragab, Ahmed, and Chung C. Fu. "Nonlinear free vibration of fixed off-shore framed structures." Computers & Structures 21, no. 6 (January 1985): 1373–78. http://dx.doi.org/10.1016/0045-7949(85)90191-9.

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Tomasicchio, Giuseppe Roberto, Elvira Armenio, Felice D'Alessandro, Nuno Fonseca, Spyros A. Mavrakos, Valery Penchev, Holger Schuttrumpf, Spyridon Voutsinas, Jens Kirkegaard, and Palle M. Jensen. "DESIGN OF A 3D PHYSICAL AND NUMERICAL EXPERIMENT ON FLOATING OFF-SHORE WIND TURBINES." Coastal Engineering Proceedings 1, no. 33 (December 14, 2012): 67. http://dx.doi.org/10.9753/icce.v33.structures.67.

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The knowledge of the behavior of floating offshore wind turbines (W/T) under wave and/or wind action remains one of the most difficult challenges in offshore engineering which is mostly due to the highly non-linear response of the structure. The present study describes the design process of a 3D physical experiment to investigate the behavior of the most promising structure technology of floating W/T: spar buoy (SB) and tension leg platform (TLP) under different meteo conditions. In order to properly design the two W/T models, the following topics have been analyzed: mooring lines, mass distri
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Moarefzadeh, M. R., and R. E. Melchers. "Sample-specific linearization in reliability analysis of off-shore structures." Structural Safety 18, no. 2-3 (January 1996): 101–22. http://dx.doi.org/10.1016/0167-4730(96)00014-8.

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Emi, Hirohiko, Michifumi Yuasa, Atsushi Kumano, Hiroyuki Kumamoto, Norio Yamamoto, and Masaki Matsunaga. "A Study on Life Assessment of Ships and Off-shore Structures." Journal of the Society of Naval Architects of Japan 1992, no. 172 (1992): 627–35. http://dx.doi.org/10.2534/jjasnaoe1968.1992.172_627.

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Emi, Hirohiko, Michifumi Yuasa, Atushi Kumano, Toshirou Arima, Norio Yamamoto, and Masatoshi Umino. "A Study on Life Assessment of Ships and Off-Shore Structures." Journal of the Society of Naval Architects of Japan 1993, no. 174 (1993): 735–44. http://dx.doi.org/10.2534/jjasnaoe1968.1993.174_735.

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WEST, BRUCE J. "EXTREMA OF FRACTAL RANDOM WATER WAVES." International Journal of Modern Physics B 10, no. 01 (January 10, 1996): 67–132. http://dx.doi.org/10.1142/s0217979296000052.

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Herein we review the statistical properties of the visibly random behavior of sea waves and the resulting stochastic forces loading off-shore structures and ships. The traditional assumption is that the statistics of the sea surface displacement produced by waves is Gaussian, or equivalently that the statistics of the wave amplitudes are Rayleigh. We examine this and a more general statistical hypothesis in this review, that being that the statistics of surface waves are Lévy stable, and investigate the response of dynamical models of off-shore structures to such stochastic forcing. We find th
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Lin, Jung-Tai. "EMPIRICAL PREDICTION OF WAVE SPECTRUM FOR WIND-GENERATED GRAVITY WAVES." Coastal Engineering Proceedings 1, no. 20 (January 29, 1986): 36. http://dx.doi.org/10.9753/icce.v20.36.

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Wind-Generated gravity wave has been of great interest to researchers and engineers in the field of coastal engineering because it is one of the important considerations in the engineering studies and designs for ship navigation, coastal and off-shore structures, shore protection, oil pollution control, and wave energy conversion. An accurate prediction of the wave height, wave frequency, and wave spectrum is critical to the success of these engineering studies and design.
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Dissertationen zum Thema "Off-shore structures"

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Alamdari, Mikayil. "Corrosion protection and monitoring of off-shore structures." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Oil and gas platforms are confronting a problem of ageing as there are many platforms that were constructed over 40 years ago. Every year, the offshore sector incurs considerable losses due to corrosion. On average, oil and gas companies use 6% of their annual income to fight against corrosion. This all in a short-term has a negative impact on the marine environment and in a long-term endeavour toward sustainable energy encountering difficulties. This thesis presents a novel corrosion inspection method by the implementation of the deep neural network and fuzzy logic models. Fuzzy logic is a su
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Moustafa, Ahmed Attia Ahmed. "The numerical analysis of turbulent flow around off-shore structures." Thesis, University of Strathclyde, 1988. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21491.

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This study provides the physical, mathematical and numerical basis of analysis work performed for predicting the flow around three-dimensional bluff body configurations. The flow has been treated as steady, incompressible, turbulent. The predictions were made using a two-equation turbulence model, solving transport equations for turbulence kinetic energy K and the turbulence dissipation rate ε, in addition to the partial differential equations for the conservation of mass and momentum. The program used was the well tested computer code "PHOENICS-84" based on work conducted by Prof. D.B. Spaldi
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Abdulaziz, Mohammed [Verfasser], and Bettar Ould el [Akademischer Betreuer] Moctar. "Study of the vortex-induced vibrations in off-shore structures / Mohammed Abdulaziz ; Betreuer: Bettar Ould el Moctar." Duisburg, 2017. http://d-nb.info/1136864032/34.

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Zhao, Hongyi. "Numerical Analysis of Wave-induced Seabed Response in the Vicinity of Marine Structures." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/365468.

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Knowledge and understanding of wave-induced dynamic soil response are of particular importance for marine geotechnical engineers involved in the design of the foundation for marine infrastructures such as breakwaters, platforms, pipelines and offshore wind turbines. In general, the nonlinearity of deformation occurring in loosely deposited sand foundations with a low relative density, and a low standard penetration test (SPT) value can presumably lead to the build-up of pore water pressures of foundation soil as a result of its plastic volumetric contraction under cyclic shearing. Liquefaction
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Brahmachari, Koushik, of Western Sydney Hawkesbury University, of Science Technology and Agriculture Faculty, and School of Construction and Building Sciences. "Connection and flexural behaviour of steel RHS filled with high strength concrete." THESIS_FTA_CBS_BRAHMACHARI_K.xml, 1997. http://handle.uws.edu.au:8081/1959.7/526.

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Steel hollow section members filled with concrete have been frequently used in recent construction industry as columns and beams and beam-columns because of their superior performance and constructability. Previous research demonstrated that such system has large energy absorption capacity which is critical in the event of an earthquake. By filling steel RHS with concrete, the failure of the steel shell due to local buckling can be delayed and the ductility of the concrete core can be improved as a result of the confinement of the steel shell. This type of composite section may be used in vari
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Brahmachari, Koushik. "Connection and flexural behaviour of steel RHS filled with high strength concrete." Thesis, View thesis, 1997. http://handle.uws.edu.au:8081/1959.7/526.

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Steel hollow section members filled with concrete have been frequently used in recent construction industry as columns and beams and beam-columns because of their superior performance and constructability. Previous research demonstrated that such system has large energy absorption capacity which is critical in the event of an earthquake. By filling steel RHS with concrete, the failure of the steel shell due to local buckling can be delayed and the ductility of the concrete core can be improved as a result of the confinement of the steel shell. This type of composite section may be used in vari
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Dombre, Emmanuel. "Modélisation non-linéaire des interactions vague-structure appliquée à des flotteurs d'éoliennes off-shore." Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST1050/document.

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Cette thèse est consacrée à l'étude numérique des interactions non-linéaires entre des vagues et un corps rigide perçant la surface libre. La méthode développée repose sur un modèle d'éléments de frontière qui réduit la dimensionnalité du problème d'une dimension. Dans un premier temps, un modèle2D est appliqué à des géométries simples et permet de démontrer la pertinence de l'approche envisagée pour la prédiction des mouvements d'une structure flottante soumise à des vagues monochromatiques régulières. Dans un second temps, en nous inspirant d'un modèle potentiel non-linéaire 3D développé par
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Alaydrus, Achmad F. "Salvaging and re-using jacket and deck structures of fixed off-shore oiland as production platforms." 1994. http://catalog.hathitrust.org/api/volumes/oclc/32717228.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1994.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 103-106).
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Wang, Wei-Chih, and 王威智. "Dynamic analyses of pile foundation for supporting structure of off-shore wind turbine at Changhua coast in Taiwan." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/96469910519323998492.

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碩士<br>國立中興大學<br>水土保持學系所<br>104<br>This study use the actual measurement data of the wind farm at Chang-Hua coast of western Taiwan, then under the simulation by three-dimensional (3-D) finite element program Plaxis 3-D. This study investigates the dynamics reactions and mechanical behaviors of pile foundation installed on the seabed of wind farm near Chan-Hua coast of western Taiwan for the supporting structure of offshore wind turbine. Firstly, using the boring logs, SPT-N values, and laboratory tests of undisturbed samples from the wind farm, one can estimate the required material model para
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Huang, Jhih-Min, and 黃智民. "Mechanical and deformation analyses of pile foundation for supporting structure of off-shore wind turbine at Changhua coast in Taiwan." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/15092353718954012020.

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碩士<br>國立中興大學<br>水土保持學系所<br>103<br>According to the numerical results of pile loading test performed on three soil profiles determined by soil boring logs obtained from the wind farm near Chan-Hua coast of western Taiwan, the E-E'' soil profile which gave the lowest bearing capcity of single pile was utilized as the representive profile for the subsequent analyses. This study investigates the bearing capacities and mechanical behaviors of pile foundation installed on the seabed of wind farm near Chan-Hua coast of western Taiwan for the supporting structure of offshore wind turbine by three-dime
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Bücher zum Thema "Off-shore structures"

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Duhamel, Grégoire. Les paradis fiscaux: Palmarès comparé des paradis fiscaux, structures anti-impôts, les dispositifs off-shore à la loupe. 2nd ed. Paris: Grancher, 2001.

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CADMO 86 (1986 Washington, D.C.). Cadmo 86: Proceedings of the International Conference on Computer Aided Design, Manufacture and Operation in the Marine and Off-shore Industries, Washington DC, U.S.A., September 1986. Edited by Keramidas G. A. 1943-. Berlin: Springer-Verlag, 1986.

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Marine Practice for Large Off Shore Structures. Amer Society of Civil Engineers, 1991.

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Buchteile zum Thema "Off-shore structures"

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Brebbia, C. A. "Random Response Analysis of Off-Shore Structures." In Vibrations of Engineering Structures, 280–300. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-82390-9_17.

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Suresh, R., K. Mullai Vendhan, K. Anbhazhagan, M. V. Ramanamurthy, and G. Vijaya Kumar. "Challenges in Launching Unusual Structure at Off Shore." In River and Coastal Engineering, 311–17. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05057-2_27.

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Chandra Chakraborty, Bikash. "FRP for Marine Application." In Fiber-Reinforced Plastic [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101332.

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Fiber Reinforced Plastics (FRPs) are widely used in marine sector owing to their high specific strength and resistance to marine corrosion. For naval application, additional advantages are transparency to radar wave and better vibration damping than metals. The use of various FRPs in off-shore structures and marine vessels needs analysis of desired properties considering the types of matrices and fiber. The common consideration is effect of sea water on the properties of the FRP. This chapter gives a brief on use of different FRPs in various areas such as off-shore pillars, Reinforced Cement Concrete (RCC) enclosers, primary and secondary marine components. A brief discussion is included here on diffusion models and estimation of durability by a time-temperature superposition principle applied to water ingress and corresponding change in mechanical strength of FRPs with examples. The effect of microbial activity on the damage of FRP is not very much reported in literature. It is known that sulfate-reducing bacteria (SRB) are the most damaging microbes for FRP. In conclusion, it is highlighted that vinyl-ester-based FRPs using glass and carbon fibers are best for marine application. To determine the realistic service life in marine environment, Vinyl Ester- FRP (VE-FRP) are to be simultaneously studied for damage due to sea water and the microbes such SRB.
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Edwards, H. Keith, and Varadharajan Sridhar. "Collaborative Software Requirements Engineering Exercises in a Distributed Virtual Team Environment." In Advanced Topics in Global Information Management, Volume 5, 178–98. IGI Global, 2006. http://dx.doi.org/10.4018/978-1-59140-923-6.ch008.

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Round-the-clock work cycle, low cost of software development, and access to specialized skills have prompted many companies in the USA, Canada, and Europe to outsource some or part of their software development work to off-shore centers in countries such as India. While design, development, and testing phases that are traditionally off-shored require less interaction between clients and the off-shore consultants, phases such as requirements engineering require close co-ordination and interaction. The clients and consultants in such off-shored projects often work in a virtual team environment. In this research, our endeavor is to understand the complex issues in such a virtual project environment during the requirements definition phase of the software development cycle. In particular, we conducted an exploratory research study, involving 24 virtual teams based in Canada and India, working collaboratively on defining business requirements for software projects, over a period of 5 weeks. The study indicates that trust between the teams and well-defined task structure positively influence the performance, satisfaction, and learning level of such distributed virtual teams.
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Goodarzi, M., B. Ossig, and J. Thal. "A case study of the structural health monitoring for off-shore monopile foundations: sensors and analyses." In Schwingungen von Windenergieanlagen 2017, 29–36. VDI Verlag, 2017. http://dx.doi.org/10.51202/9783181023013-29.

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Osorio, Diana Benito. "The Benefits of Home-Based Working's Flexibility." In Encyclopedia of Human Resources Information Systems, 102–9. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-59904-883-3.ch015.

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The history of home working in Western economies can only be understood by means of changes in the systems of production in Europe and North America and through changes in the general sphere of women’s responsibilities, which typically include family work as well as paid work (Johnson, 2003). Both new situations produce the most important change: the change in work venue. The development in industrial production has been an uneven and changing pattern, beginning with artisanal guilds of the middle ages and continuing through to industrial production in the 19th and 20th centuries (Boris, 1996). Mistakenly, the process of industrialization has often been characterized as a unidirectional shift of production from home to factory (Johnson, 2003), but the reality has been very different. The earliest forms of industrialization first appeared within the home setting (Albrecht, 1982). One of the initial impetuses for the use of home-based working arrangements among such employees was provided by the oil crisis of the 1970s which, in conjunction with advances in computer technology, led to a surge of interest in “telecommuting” among white collar workers (Niles, Carlson, Gray, &amp; Hanneman, 1976). However, it was not until the development of personal computers and networked systems in the 1980s that home-based working arrangements experienced significant growth, growth that has been particularly pronounced among executives, managers, scientists, and engineers in large corporations (Bureau of National Affairs, 1991). This home-based working’s revival, on the early 1980s, was linked to the shift in the structure of employment and production in post-industrial economies of North America and Western Europe (Lipsig-Mummé, 1983). Years later, in the 1990s, this subject was treated again but with a new vision. While adoption of telework was slow during the 1980´s, the subsequent decade’s information revolution resulted in considerable growth in new work forms (Moss, Whitfield, Johnson, &amp; Andrey, 2006; Robertson, 2005) The “renaissance” was interpreted as a symptom of economic restructuring that put increased pressure on domestic industries from off-shore producers (Leach, 1998).
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Konferenzberichte zum Thema "Off-shore structures"

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Ladru, F., E. Lugscheider, H. Jungklaus, C. Herbst, and I. Kvernes. "Tailored Solutions for Off-Shore Applications by Plazjet Sprayed Coatings." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0175.

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Abstract For very large structures and parts in critical environments, a materials solution often cannot be found by using one material. The specific desired properties for those structures, like stiffness, ductility, high temperature stability, corrosion resistance, etc. are difficult to fulfill with only one material. In this case a solution may be found by using coatings and design their specific properties to replenish each other by their combination. The Thermal Spraying processes offer the necessary flexibility of producing thin to thick, ductile, soft to hard coatings while due to the w
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Owens, Brian, John E. Hurtado, Joshua A. Paquette, Daniel T. Griffith, and Matthew F. Barone. "Aeroelastic Modeling of Large Off-shore Vertical-axis Wind Turbines: Development of the Offshore Wind Energy Simulation Toolkit." In 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-1552.

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Salvadori, G., G. R. Tomasicchio, F. D’Alessandro, E. Musci, W. El-Shorbagy, and A. El-Hakeem. "Multivariate Coastal and Off-Shore Design and Risk Assessment via Copulas at the Arabian Gulf." In Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480304.029.

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Hollt, Thomas, Ahmed Magdy, Guoning Chen, Ganesh Gopalakrishnan, Ibrahim Hoteit, Charles D. Hansen, and Markus Hadwiger. "Visual analysis of uncertainties in ocean forecasts for planning and operation of off-shore structures." In 2013 IEEE Pacific Visualization Symposium (PacificVis). IEEE, 2013. http://dx.doi.org/10.1109/pacificvis.2013.6596144.

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Olunloyo, Vincent O. S., and Charles A. Osheku. "On the Effects of a Non-Stationary Seabed on the Morison Hydrodynamic Force for Off-Shore Structures." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67475.

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It is well known that hydrodynamic forces can have significant effect on the dynamic stability and performance of moving offshore structures that are deployed for the exploration and exploitation of seabed geo-resources. This paper presents an integral transform approach for investigating the effects of non-stationary behavior of the seabed on the Morison hydrodynamic force associated with vertically moving submerged and partially buried offshore structures located in the neighborhood of an exploration zone. For this, the fluid-structure-soil dynamic interaction boundary value problem is model
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Nanjo, Takanori, Toshikazu Miyashita, Shunji Kataoka, and Takuya Sato. "Study on Intermediate Support of Tall Columns for FPSO Topside Structures." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63177.

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FPSO (Floating Production, Storage and Offloading) has become used increasingly for off-shore gas fields. Most tall pressure vessels such as columns installed in the FPSO are surrounded by topside structures. In general, columns in on-shore plants are supported only by bottom skirts; on the other hand, some of the tall columns on FPSO hulls require intermediate supports in addition to bottom skirts because of large accelerations they are subject to due to ship motion induced by wave loading. In this paper, the effects of the support were investigated considering acceleration distributions and
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Thibaux, P., J. Van Wittenberghe, E. Van Pottelberg, M. Van Poucke, P. De Baets, and W. De Waele. "Efficient Fatigue Testing of Tubular Joints." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41740.

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Tubular joints are intensively used in off-shore structures for shallow waters. Depending on the sea conditions and the type of structure, the design can be fatigue driven. This is particularly the case for off-shore wind turbines, where turbulences are generating a fatigue loading. Any improvement of the fatigue performance of the tubular joint would be beneficial to reduce the weight and the cost of the structure. To assess efficiently the fatigue resistance of the tubular joint, a testing method has been developed based on the resonance principle. The complete circumference of the welded jo
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Popkov, Vyacheslav, Alexander Sterenberg, Vladimir Gusev, and Andrey Tyutyaev. "COGNITIVE GEOLOGY OF SUPERIMPOSED SCATTERING OF MOBILE ORE ELEMENTS, PROPER FORMS OF MULTISCALE STRUCTURAL STRESS STABILITY, BIOGENETIC ACCESS CODE OF RESOURCES AND FIELD ARTEFACTS." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/11.

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The authors present the theory is numerical / analytical method of multi-scaled 4D geomechanics – geo-dynamics of energy integration in geo-physical rhythms of Eigen-solution of Navier-Stokes equations for multi-level geological time space of evolution in structural compacted mass transfer at the basis of Newton’s Differential Law ∫V∫TρdS·∂2ξ/∂t2 following the integration formula of A. Einstein E(u,t)=ρVC2+∫V∫Tρ‹uv›dtdx. Сreate the theory (Restoration) and Maintenance of Water Eco-System with Given Parameters. They establish the geophysical seismic rhythms of geological cycles in deep structur
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Wang, Y. G., L. M. Yang, F. H. Zhou, G. Y. Chen, Z. I. Lu, and D. I. Zhuang. "Flexible Protection Technology of Bridge Pier against Ship Collision." In IABSE Congress, Nanjing 2022: Bridges and Structures: Connection, Integration and Harmonisation. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/nanjing.2022.1038.

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&lt;p&gt;Bridges across navigation channels are under the threat of accidental ship collisions. Many research works have been conducted to investigate the crashworthy device against ship-bridge pier collisions. However, the existing bridge pier protection facilities, mostly based on absorbing ship kinetic energy, are large structures with high strength, resulting in large collision forces that may cause ship damage. In this paper, flexible anti-collision technology is developed, which protects the bridge pier based on the ship's course guidance principle, hence taking away the huge kinetic ene
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Hackel, Lloyd A., C. Brent Dane, Fritz Harris, Jon Rankin, and Chanh Truong. "Transportable Laser Peening System for Field Applications to Improve Fatigue and SCC Resistance of Offshore Components and Structures." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93334.

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Laser peening technology has matured into a fully qualified production process that is now in routine and reliable use for a range of aerospace alloys. The technology is capable of extending the fatigue life and stress corrosion cracking life of components, and will enable designers to consider higher stress levels in life limited designs. Applications under development for steels include high and medium strength steels used in off shore oil exploration and production, titanium, aluminum and even ceramics and plastics as well as life extension of steel and aluminum welds. Fixed systems to trea
APA, Harvard, Vancouver, ISO und andere Zitierweisen
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